/ Dictionary / Index I in petto*: Meaning and Definition of Find definitions for: in pet•to Pronunciation: (ēn-pet'tô Eng. in-pet'ō), [key] — Italian. Italian. (of cardinals whom the pope appoints but does not disclose in consistory) not disclosed. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. in personam inphase Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language